package com.zzyl.nursing.service.impl;

import cn.hutool.core.collection.ListUtil;
import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zzyl.common.utils.StringUtils;
import com.zzyl.nursing.domain.FamilyMember;
import com.zzyl.nursing.dto.UserLoginRequestDto;
import com.zzyl.nursing.mapper.FamilyMemberMapper;
import com.zzyl.nursing.service.IFamilyMemberService;
import com.zzyl.nursing.service.WechatService;
import com.zzyl.nursing.vo.LoginVo;
import org.springframework.beans.factory.annotation.Autowired;
import com.zzyl.framework.web.service.TokenService;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.Random;

/**
 * 老人家属Service业务层处理
 *
 * @author elina
 * @date 2025-10-11
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper, FamilyMember> implements IFamilyMemberService {
    @Autowired
    private WechatService wechatService;

    @Autowired
    private TokenService tokenService;

    static List<String> DEFAULT_NICKNAME_PREFIX = ListUtil.of(
            "生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"
    );


    /**
     * 小程序登录
     *
     * @param userLoginRequestDto
     * @return
     */
    @Override
    public LoginVo login(UserLoginRequestDto userLoginRequestDto) {
        // 1.调用微信api,根据code获取openId
        String openId = wechatService.getOpenId(userLoginRequestDto.getCode());

        // 2.根据openId查询用户
        FamilyMember familyMember = lambdaQuery().eq(FamilyMember::getOpenId, openId).one();

        // 3.如果用户为空，则将openId设置到对象中
        if (ObjectUtil.isNull(familyMember)) {
            familyMember = new FamilyMember();
            familyMember.setOpenId(openId);
        }

        // 4.调用微信api获取用户绑定的手机号
        String phone = wechatService.getPhone(userLoginRequestDto.getPhoneCode());

        // 5.保存或修改用户
        insertOrUpdate(familyMember, phone);

        // 6.将用户id存入token,返回
        Map<String, Object> claims = Map.of("userId", familyMember.getId(), "nickName", familyMember.getName());

        String token = tokenService.createToken(claims);
        LoginVo loginVo = new LoginVo();
        loginVo.setToken(token);
        loginVo.setNickName(familyMember.getName());

        return loginVo;
    }

    /**
     * 新增或修改家属
     *
     * @param familyMember
     */
    private void insertOrUpdate(FamilyMember familyMember, String phone) {
        if (ObjectUtil.isEmpty(familyMember.getId())) {
            // id 为空，保存新用户
            String nickName = DEFAULT_NICKNAME_PREFIX.get(new Random().nextInt(DEFAULT_NICKNAME_PREFIX.size()))
                    + StringUtils.substring(phone, 7);
            familyMember.setPhone(phone);
            familyMember.setName(nickName);
            save(familyMember);
            return;
        }

        // id 不为空，修改用户
        // 判断手机号是否修改
        if (ObjectUtil.notEqual(phone, familyMember.getPhone())) {
            familyMember.setPhone(phone);
        }
        updateById(familyMember);

    }
}
